Extreme Space DesignGear toward performance pioneers and eSports adventurers with the goal of “Space is of the Essence” in mind by incorporating an outsize body structure with convex and perforated panel design to provide a vast interior space for the ultimate aeration and extreme high-end hardware components compatibility.  Tool-free InstallationStandard 3 x 5.25” and 6 x 3.5”/2.5” with innovative tool-free drive bay design minumized the hassels of installing and removing accessories and storage devices.  ExpandabilityG41 delivers the most scalable graphics platform in a mid-tower category, with 8 + 1 PCI-E expansion slots which support for both Native 4-way ATI CrossFireX™ and Nvidia SLI™. Additionally, the removable drive cage can support VGA card up to 410mm.  Clear Visual with Strong BuildG41 provides a sturdy side transparent acrylic window panel while utilized approximately 75% of the side panel to grand direct visual access into the case.  Convenient Build SupportBeside the mounting holes for cooling solutions, the backplate has a large CPU cut-out and pre-mounting holes that support motherboards size up to standard ATX and CPU cooler installation, with the aid of extra convex side panel G41 has the space for Advanced Cable Management up to 38mm.-  High-end Complete System on the goEnables user to build a complete high-end solution including a 240mm radiator liquid cooling system with long graphic card. It protects user’s hardware and increase CPU’s overclocking potential, mostly importantly delivers outstanding cooling efficiency in the entire case.  Optimized VentilationBeside the two preinstalled 120mm rear exhaust fans (one front and one rear), G41 has three more optional 120mm fans mounting areas to optimize system ventilation with intake dust filters.